public DigitalAudio ReadAudio()
{
int[][] channels = null;
DigitalAudio audio = new DigitalAudio();
audio.SampleRate = format.SampleRate;
audio.SignificantBitsPerSample = format.SignificantBitsPerSample;
channels = ReadPCMData();
for (uint i = 0; i < format.NumberOfChannels; i++)
{
audio.AddChannel(channels[i]);
}
return(audio);
}
public void WriteWavDefault(DigitalAudio audio)
{
WaveFormat format = new WaveFormat();
format.SectionSize = 16;
format.NumberOfChannels = audio.NumOfChannels;
format.CompressionCode = 1;
format.SampleRate = audio.SampleRate;
format.SignificantBitsPerSample = audio.SignificantBitsPerSample;
format.BlockAlign = (ushort)((format.SignificantBitsPerSample * format.NumberOfChannels) / 8);
format.AvarageBytesPerSecond = format.SampleRate * format.BlockAlign;
var dataSize = audio.DataSize * (audio.SignificantBitsPerSample / 8);
uint data_Size = (uint)((dataSize % 2 == 0) ? dataSize : dataSize + 1);
uint RIFF_Size =
+4 /*RIFF Type = 'WAVE'*/
+ 8 /*fmt section*/
+ format.SectionSize
+ 8 /*data section*/
+ data_Size;
BaseStream.SetLength(RIFF_Size + 8);// + 8 RIFF section
Write(ID_RIFF);
Write(RIFF_Size);
Write(ID_WAVE);
Write(ID_fmt_);
Write(format.SectionSize);
Write(format.CompressionCode);
Write(format.NumberOfChannels);
Write(format.SampleRate);
Write(format.AvarageBytesPerSecond);
Write(format.BlockAlign);
Write(format.SignificantBitsPerSample);
Write(ID_data);
Write(data_Size);
int[][] channels = audio.GetAllSignals();
for (int i = 0; i < audio.SamplesInChannel; i++)
{
for (int j = 0; j < audio.NumOfChannels; j++)
{
Write((short)channels[j][i]);
}
}
}
